Title:
SEALING DEVICE WITH SLEEVE-COMBINATION INNER AND OUTER CYLINDERS
Document Type and Number:
WIPO Patent Application WO/2020/038187
Kind Code:
A1
Abstract:
Disclosed is a sealing device with sleeve-combination inner and outer cylinders, the sealing device comprising a rotating cylinder (7) mounted on a rotary sealing cover (1) and a fixed inner cylinder (6) mounted at an outlet of a feed hopper (3), wherein the fixed inner cylinder (6) passes through a central hole of a rotary support (2) and a through hole of the rotary sealing cover (1) and is sheathed inside the rotating cylinder (7) for delivering materials in the feed hopper (3) into a stirring barrel; a gap is provided between an inner wall of the rotating cylinder (7) and an outer wall of the fixed inner cylinder (6), and a sealing component (8) is further provided between the rotating cylinder (7) and the fixed inner cylinder (6); and the sealing component (8) comprises a press ring (8-5) and an expansion-type sealing assembly, which are successively arranged in an axial direction of the fixed inner cylinder (6) from an inner side to an outer side.
Inventors:
SHENG FUCHUN (CN)
SHENG NAN (CN)
SHENG NAN (CN)
Application Number:
PCT/CN2019/098079
Publication Date:
February 27, 2020
Filing Date:
July 29, 2019
Export Citation:
Assignee:
YANTAI SHENGLIDA ENGINEERING TECH CO LTD (CN)
International Classes:
F16J15/24; F16J15/32
Foreign References:
| CN108757943A | 2018-11-06 | |||
| CN107344401A | 2017-11-14 | |||
| CN201446625U | 2010-05-05 | |||
| CN103465369A | 2013-12-25 | |||
| JP2000033831A | 2000-02-02 |
Attorney, Agent or Firm:
YANTAI SHUANGLIAN PATENT FIRM ( ORDINARY PARTNERSHIP) (CN)
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